480Y/277V Meter Main NEMA 1/3R
- 480Y/277V for high-voltage 3-phase systems
- Supports 400A through 4000A configurations
- UL Listed & EUSERC Approved for code compliance
UL 891 Certified
EUSERC Approved
Approved Siemens OEM
DEI Power's 400 Amp Meter Main product line offers UL-listed, EUSERC-approved switchgear assemblies built with genuine Siemens components. Available in NEMA 1 and NEMA 3R enclosures, these units serve commercial, industrial, and utility applications, delivering code-compliant, heavy-duty power metering and distribution with reliable long-term performance.
Talk to our product experts for custom solutions.
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A 400 Amp Meter Main is a combination electrical assembly that integrates a utility meter socket and a main circuit breaker into a single enclosure. It is used to receive, meter, and distribute power from the utility service to a commercial, industrial, or utility facility, providing both metering and overcurrent protection in one compact unit.
Talk to our experts for custom solutions and tailored guidance.
Meter mains provide code-compliant power metering and main disconnect for office buildings, retail centers, and campuses.
Heavy-duty meter main assemblies manage high-demand power distribution for manufacturing plants and processing facilities.
EUSERC-approved meter mains meet utility specifications for substations, service entry points, and infrastructure projects.
Reliable meter main switchgear supports critical power distribution and uptime requirements in data centers and colocation facilities.
Talk to our experts for custom solutions and tailored guidance.
As an approved Siemens OEM, DEI Power delivers precision-engineered meter mains built with genuine Siemens components for trusted, code-compliant performance.
Operating from a 50,000 sq. ft. facility in Ontario, CA, DEI Power ships most orders within 1 business day, keeping your project timeline on track.
DEI Power's in-house engineers provide dedicated project support and custom configuration guidance, reducing change orders and costly field adjustments.
Submit your project specs and a DEI Power specialist will respond with pricing, configuration guidance, and lead time within one business day.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.